List of estimators to implement:
- :white_check_mark: Maximum Likelihood
- :white_check_mark: Horvitz and Thompson (1952)
- :white_check_mark: [Chao and Shen (2003)](https://link.springer.com/content/pdf/10.1023/A:1026096204727.pdf)
- :white_check_mark: Miller and Madow (1955)
- :white_check_mark: Efron and Stein (1981) "Jackknife"
- :white_check_mark: [Wolpert and Wolf (1994)](https://arxiv.org/abs/comp-gas/9403001)
- [Archer, et al. (2013)](https://arxiv.org/abs/1302.0328)
- :white_check_mark: NSB (N = Nemenman)
- Infinite NSB